Two birthday parties were taking place at the restaurant at the time of the explosion and children were in attendance.
Protesters gathered in front of the NFL's New York headquarters to demand it reverse its "dangerous decision violating players' first amendment rights."
"Mr. Weinstein did not invent the casting couch," his lawyer said, vowing to fight the charges.
The shooting in Noblesville, Indiana, happened a week after the Santa Fe High School massacre.
Three people who were shot and injured by the gunman, including two young girls.